Home / 13,453.38-18,541.50-10,943.76

Finding the Fourth Proportional to 13,453.38, 18,541.50 and 10,943.76

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Solution

The fourth proportional to 13,453.38, 18,541.50 and 10,943.76 is: 15,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.38 : 18,541.50 = 10,943.76 : x
  2. Step 2: Convert to fraction form
    13,453.38/18,541.50 = 10,943.76/x
  3. Step 3: Cross multiply
    13,453.38x = 18,541.50 × 10,943.76
  4. Step 4: Simplify right side
    13,453.38x = 202,913,726.04
  5. Step 5: Solve for x
    x = 202,913,726.04/13,453.38
  6. Step 6: Final answer
    x = 15,082.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.